From: Jason Gunthorpe <jgg@ziepe.ca>
To: Joe Damato <joe@dama.to>
Cc: iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Vasant Hegde <vasant.hegde@amd.com>,
Kevin Tian <kevin.tian@intel.com>,
linux-kernel@vger.kernel.org, Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH] iommu/amd: Block identity domain when SNP enabled
Date: Mon, 9 Mar 2026 21:35:23 -0300 [thread overview]
Message-ID: <20260310003523.GQ1687929@ziepe.ca> (raw)
In-Reply-To: <20260309235234.3367768-1-joe@dama.to>
On Mon, Mar 09, 2026 at 04:52:33PM -0700, Joe Damato wrote:
> With this commit applied:
>
> # echo "identity" > /sys/kernel/iommu_groups/62/type
> -bash: echo: write error: Invalid argument
>
> Fixes: 4402f2627d30 ("iommu/amd: Implement global identity domain")
> Signed-off-by: Joe Damato <joe@dama.to>
> ---
> drivers/iommu/amd/iommu.c | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2026-03-10 0:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-09 23:52 [PATCH] iommu/amd: Block identity domain when SNP enabled Joe Damato
2026-03-10 0:35 ` Jason Gunthorpe [this message]
2026-03-11 16:10 ` Vasant Hegde
2026-03-17 13:02 ` Joerg Roedel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260310003523.GQ1687929@ziepe.ca \
--to=jgg@ziepe.ca \
--cc=iommu@lists.linux.dev \
--cc=joe@dama.to \
--cc=joro@8bytes.org \
--cc=jroedel@suse.de \
--cc=kevin.tian@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=robin.murphy@arm.com \
--cc=suravee.suthikulpanit@amd.com \
--cc=vasant.hegde@amd.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.